Tricone Bits 8 1/2" IADC 437/517/537/637 API Standard Cr Series Rubber Sealed Bearing Bit for Water Well Drilling Material 42CrMo

• Customized: Customized
• Standard: API, SGS
• Type: Center Drill Bit
• Material: 42CrMo
• Usage: Well Drilling
• Weight: 45kg
• Model NO.: 8 1/2 517
• Customized Service: Available
• Pin Connection: 4 1/2" API Reg
• Transport Package: Wooden Case
• Specification: 27*24*41cm
• Trademark: LEO or Customized
• Origin: China
• HS Code: 820719100
• Production Capacity: 50000 Pieces/Year

Product Description

PRODUCT SPECIFICATIONS
product name	8 1/2 inch CR437 TCI tricone bit
size	215.9mm
model number	CR437
series	CR
tooth type	TCI
connection	4 1/2" Reg pin
bearing	rubber sealed roller bearing
Nozzle	three jet nozzles
application	water well,oil well,HDD,exploration,etc
weight	48kg
certificate	SY/T5164,ISO9001:2008
RECOMMENDED ROCK FORMATIONS
very soft with low compressive strength,such as shale,clay,sandstone and soft limestone,etc.
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Type&IADC code	116,117	126,127	136,137	216,217	317	337
WOB(KN/mm)	0.35~0.90	0.35~1.00	0.35~1.05	0.35~1.2	0.7~1.30	0.80~1.40
RPM(r/min)	150~80	150~70	120~60	90~50	80~45	75~45

Our Drilling Tools maintains a great reputation in the well drilling,construction, HDD (horizontal directional drilling) ,exploration, water well, geothermal and mining as a company that can provide dependability and high-quality products at excellent value.Our quality tools:Tricone bit ,PDC bit,Tricone Cutters(single rollers),PDC reamers,Drag bits ,HDD hole openers.
Our custom-designed PDC bits are specifically designed and manufactured with directional drilling in mind. Our bits are extremely stable, durable and 'directional' friendly, which is of the utmost importance when trying to keep the bit in a thin wavering pay zone. It is this steerable bit technology, combined with high ROP, which gives Crossing an advantage in a highly competitive market.
Our Mission:To guarantee each drill bit drills faster and lasts longer .